Fast and slow responses of surface air temperature in China to short-lived climate forcers
Short-lived climate forcers (SLCFs), including aerosols, tropospheric ozone, and methane in this work, are attracting increasing attention because of their extensive impacts on regional climate and air pollution. To clarify the impact of controlling SLCFs in high-emission areas on regional surface a...
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| Veröffentlicht in: | The Science of the total environment 2023-07, Vol.882, p.162888-162888, Article 162888 |
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| description | Short-lived climate forcers (SLCFs), including aerosols, tropospheric ozone, and methane in this work, are attracting increasing attention because of their extensive impacts on regional climate and air pollution. To clarify the impact of controlling SLCFs in high-emission areas on regional surface air temperature (SAT), we quantified the SAT response in China due to both global and China's SLCF changes by using an aerosol–climate model. The average SAT response in China to global SLCF changes from 1850 to 2014 was −2.53 °C ± 0.52 °C, which was much stronger than the global mean SAT response (−1.85 °C ± 0.15 °C). There are two cooling centers in China, located in the northwest inland areas (NW) and southeastern areas (SE), with area mean SAT responses of −3.39 °C ± 0.70 °C and −2.43 °C ± 0.62 °C, respectively. Because the SE area has experienced greater changes in SLCFs concentrations, compared with the NW area, China's SLCFs contribute more to the SAT response in the SE (approximately 42 %) than to the SAT response in the NW ( |
| doi_str_mv | 10.1016/j.scitotenv.2023.162888 |
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[Display omitted]
•The surface air temperature response in China region to SLCF changes was significant.•SLCFs affect the radiation budget to change the surface air temperature in fast response.•In slow response, the cloud response to SLCFs is important in affecting radiation budget.•China's SLCF forcing is an important contributor to local surface air temperature response.</description><identifier>ISSN: 0048-9697</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2023.162888</identifier><identifier>PMID: 37004774</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>China ; Fast and slow responses ; SLCFs ; Surface air temperature</subject><ispartof>The Science of the total environment, 2023-07, Vol.882, p.162888-162888, Article 162888</ispartof><rights>2023</rights><rights>Copyright © 2023. Published by Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c317t-c81e7335359151c2e39fbead4010df2fef25ef3e99f47e48334daade1de9cbd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.scitotenv.2023.162888$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37004774$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Xie, Bing</creatorcontrib><creatorcontrib>Zhang, Hua</creatorcontrib><creatorcontrib>Yu, Xiaochao</creatorcontrib><creatorcontrib>Wang, Zhili</creatorcontrib><title>Fast and slow responses of surface air temperature in China to short-lived climate forcers</title><title>The Science of the total environment</title><addtitle>Sci Total Environ</addtitle><description>Short-lived climate forcers (SLCFs), including aerosols, tropospheric ozone, and methane in this work, are attracting increasing attention because of their extensive impacts on regional climate and air pollution. To clarify the impact of controlling SLCFs in high-emission areas on regional surface air temperature (SAT), we quantified the SAT response in China due to both global and China's SLCF changes by using an aerosol–climate model. The average SAT response in China to global SLCF changes from 1850 to 2014 was −2.53 °C ± 0.52 °C, which was much stronger than the global mean SAT response (−1.85 °C ± 0.15 °C). There are two cooling centers in China, located in the northwest inland areas (NW) and southeastern areas (SE), with area mean SAT responses of −3.39 °C ± 0.70 °C and −2.43 °C ± 0.62 °C, respectively. Because the SE area has experienced greater changes in SLCFs concentrations, compared with the NW area, China's SLCFs contribute more to the SAT response in the SE (approximately 42 %) than to the SAT response in the NW (<25 %). We divided the SAT response into fast and slow components to investigate the underlying mechanisms. In the fast response, the strength of the regional SAT response was closely connected to changes in the SLCFs concentration. The prominent increase in SLCFs in the SE area reduced the surface net radiation flux (NRF), thereby decreasing the SAT by 0.44 °C ± 0.47 °C. The smaller increase in SLCFs in the NW area, compared with the SE area, resulted in a less reduction in NRF and a minor fast SAT response (−0.01 °C ± 0.76 °C). In the slow response, the SLCFs-induced increases of mid- and low-cloud cover significantly reduced the NRF, resulting in strong slow SAT responses of −3.38 °C ± 0.70 °C and −1.98 °C ± 0.62 °C in the NW and SE areas, respectively.
[Display omitted]
•The surface air temperature response in China region to SLCF changes was significant.•SLCFs affect the radiation budget to change the surface air temperature in fast response.•In slow response, the cloud response to SLCFs is important in affecting radiation budget.•China's SLCF forcing is an important contributor to local surface air temperature response.</description><subject>China</subject><subject>Fast and slow responses</subject><subject>SLCFs</subject><subject>Surface air temperature</subject><issn>0048-9697</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNqFkLtuGzEQRQkjgS0_fsFhmWY3fKyWZGkIkW3AQBpXaQiKHMIUVkuZw1WQv88KUtx6minm3jszh5BvnLWc8f7HtkWfaq4wHlrBhGx5L7TWF2TBtTINZ6L_QhaMdboxvVFX5Bpxy-ZSml-SK6nmkVLdgvxeO6zUjYHikP_QArjPIwLSHClOJToP1KVCK-z2UFydCtA00tVbGh2tmeJbLrUZ0gEC9UPauQo05uKh4C35Gt2AcHfuN-R1_fN19dS8_Hp8Xj28NF5yVRuvOSgpl3Jp-JJ7AdLEDbjQMc5CFBGiWEKUYEzsFHRayi44F4AHMH4T5A35fordl_w-AVa7S-hhGNwIeUIrlOl6bYToZ6k6SX3JiAWi3Zf55PLXcmaPXO3WfnC1R672xHV23p-XTJsdhA_ff5Cz4OEkgPnTQ4JyDILRQ0gFfLUhp0-X_APhzo-z</recordid><startdate>20230715</startdate><enddate>20230715</enddate><creator>Xie, Bing</creator><creator>Zhang, Hua</creator><creator>Yu, Xiaochao</creator><creator>Wang, Zhili</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20230715</creationdate><title>Fast and slow responses of surface air temperature in China to short-lived climate forcers</title><author>Xie, Bing ; Zhang, Hua ; Yu, Xiaochao ; Wang, Zhili</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c317t-c81e7335359151c2e39fbead4010df2fef25ef3e99f47e48334daade1de9cbd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>China</topic><topic>Fast and slow responses</topic><topic>SLCFs</topic><topic>Surface air temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xie, Bing</creatorcontrib><creatorcontrib>Zhang, Hua</creatorcontrib><creatorcontrib>Yu, Xiaochao</creatorcontrib><creatorcontrib>Wang, Zhili</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Science of the total environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xie, Bing</au><au>Zhang, Hua</au><au>Yu, Xiaochao</au><au>Wang, Zhili</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fast and slow responses of surface air temperature in China to short-lived climate forcers</atitle><jtitle>The Science of the total environment</jtitle><addtitle>Sci Total Environ</addtitle><date>2023-07-15</date><risdate>2023</risdate><volume>882</volume><spage>162888</spage><epage>162888</epage><pages>162888-162888</pages><artnum>162888</artnum><issn>0048-9697</issn><eissn>1879-1026</eissn><abstract>Short-lived climate forcers (SLCFs), including aerosols, tropospheric ozone, and methane in this work, are attracting increasing attention because of their extensive impacts on regional climate and air pollution. To clarify the impact of controlling SLCFs in high-emission areas on regional surface air temperature (SAT), we quantified the SAT response in China due to both global and China's SLCF changes by using an aerosol–climate model. The average SAT response in China to global SLCF changes from 1850 to 2014 was −2.53 °C ± 0.52 °C, which was much stronger than the global mean SAT response (−1.85 °C ± 0.15 °C). There are two cooling centers in China, located in the northwest inland areas (NW) and southeastern areas (SE), with area mean SAT responses of −3.39 °C ± 0.70 °C and −2.43 °C ± 0.62 °C, respectively. Because the SE area has experienced greater changes in SLCFs concentrations, compared with the NW area, China's SLCFs contribute more to the SAT response in the SE (approximately 42 %) than to the SAT response in the NW (<25 %). We divided the SAT response into fast and slow components to investigate the underlying mechanisms. In the fast response, the strength of the regional SAT response was closely connected to changes in the SLCFs concentration. The prominent increase in SLCFs in the SE area reduced the surface net radiation flux (NRF), thereby decreasing the SAT by 0.44 °C ± 0.47 °C. The smaller increase in SLCFs in the NW area, compared with the SE area, resulted in a less reduction in NRF and a minor fast SAT response (−0.01 °C ± 0.76 °C). In the slow response, the SLCFs-induced increases of mid- and low-cloud cover significantly reduced the NRF, resulting in strong slow SAT responses of −3.38 °C ± 0.70 °C and −1.98 °C ± 0.62 °C in the NW and SE areas, respectively.
[Display omitted]
•The surface air temperature response in China region to SLCF changes was significant.•SLCFs affect the radiation budget to change the surface air temperature in fast response.•In slow response, the cloud response to SLCFs is important in affecting radiation budget.•China's SLCF forcing is an important contributor to local surface air temperature response.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>37004774</pmid><doi>10.1016/j.scitotenv.2023.162888</doi><tpages>1</tpages></addata></record> |
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| subjects | China Fast and slow responses SLCFs Surface air temperature |
| title | Fast and slow responses of surface air temperature in China to short-lived climate forcers |
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